[ Tenses ]
I’m tired. I _________ for 3 hours!
A. have studied
B. studied
C. have been studying
D. had been studying

Random Topics:
Essential and Nonessential ClausesGrammar RulesComparative AdverbsModal VerbsMust Vs Have toCompound AdjectivesComparatives - SuperlativeWould rather/ would prefer/ would likePast Perfect vs Past SimpleNoun / PronounOther quiz:
Verb Tenses › ViewWhat is the past continuous tense form of the verb ‘run’?
A. running
B. ran
C. was running
D. has run
Tenses › View
___She usually have dinner in the porch?
A. Will
B. Was
C. Do
D. Does
Grammar › ViewI really plan to buy it but I never have ……………. money.
A. a lot of
B. enough
C. several
Grammar › View
Kaia________her sister after the destructive party.
A. sensored
B. censored
C. censured
